A website Maths Puzzle Numerical Ability

7+3+5=213563
5+8+3=401546
3+9+4=271236
then
6+6+5=???????

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A website Other Question

Three taps A,B and C can fill a tank in 20,30 and 40
minutes respectively. All the taps are opened
simultaneously and after 5 minutes tap A was closed and
then after 6 minutes tab B was closed .At the moment a
leak developed which can empty the full tank in 60
minutes. What is the total time taken for the completely
full?
4. If PQR = 1, RST = 0, and SPR = 0, which of the following must be zero
(a) P
(b) Q
(c) R
(d) S